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MILCOM 97 MILCOM 97 Proceedings最新文献

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Protocol architecture for tactical integrated services mobile networks 战术综合业务移动网络的协议体系结构
MILCOM 97 MILCOM 97 Proceedings Pub Date : 1997-11-02 DOI: 10.1109/MILCOM.1997.645024
A. Uziel, M. Tummala
{"title":"Protocol architecture for tactical integrated services mobile networks","authors":"A. Uziel, M. Tummala","doi":"10.1109/MILCOM.1997.645024","DOIUrl":"https://doi.org/10.1109/MILCOM.1997.645024","url":null,"abstract":"Wireless ATM has received considerable interest in the commercial mobile communications area. We address several issues related to wireless integrated services networks with emphasis on the military environment. Several design issues related to the employment of a (single) macrocell integrated services network in the tactical military environment are discussed. A protocol architecture for integrated services mobile networks to meet the tactical needs is described, taking into consideration low bit-rate services, admission control issues, and user priorities.","PeriodicalId":351392,"journal":{"name":"MILCOM 97 MILCOM 97 Proceedings","volume":"20 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1997-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121353362","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Modeling VHDL specifications as consistent EFSMs 将VHDL规范建模为一致的efsm
MILCOM 97 MILCOM 97 Proceedings Pub Date : 1997-11-02 DOI: 10.1109/MILCOM.1997.646717
M. U. Uyar, A. Y. Duale
{"title":"Modeling VHDL specifications as consistent EFSMs","authors":"M. U. Uyar, A. Y. Duale","doi":"10.1109/MILCOM.1997.646717","DOIUrl":"https://doi.org/10.1109/MILCOM.1997.646717","url":null,"abstract":"The dramatic increase in the complexity of digital systems has led to the use of formal description languages such as VHDL. This paper presents the preliminary results on properties of VHDL specifications that allow for automatic test generation without the exponential growth. In general, VHDL specifications can be modeled as extended finite machines (EFSMs). A class of EFSMs, called consistent EFSMs, allows for the finite state machines (FSM) based test generation techniques to be directly applied to VHDL specifications. An algorithm to identify the consistent EFMSs is introduced.","PeriodicalId":351392,"journal":{"name":"MILCOM 97 MILCOM 97 Proceedings","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1997-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125623933","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 23
COTS implementation of satellite-based, full-mesh multimedia networks COTS实现基于卫星的全网状多媒体网络
MILCOM 97 MILCOM 97 Proceedings Pub Date : 1997-11-02 DOI: 10.1109/MILCOM.1997.646756
B. Liebowitz
{"title":"COTS implementation of satellite-based, full-mesh multimedia networks","authors":"B. Liebowitz","doi":"10.1109/MILCOM.1997.646756","DOIUrl":"https://doi.org/10.1109/MILCOM.1997.646756","url":null,"abstract":"This paper describes a commercial-off-the-shelf system that uses satellite technology to provide one-hop, full-mesh, multimedia connectivity for widely dispersed networks. The virtual integrated sky network (VISN) combines low-cost, time division multiple access (TDMA) Earth station technology with cell-based switching technology, to provide networks that can connect hundreds of sites. VISN is a product and service offering of Orion Network Systems. VISN employs statistical multiplexing at both the site and TDMA carrier level to ensure efficient use of space segment. Statistical multiplexing enables sites with momentary surges of activity to \"borrow\" bandwidth from less busy sites. VISN guarantees bandwidth for sites with critical file transfers and voice calls. VISN provides roof top to roof top connectivity eliminating the \"last mile\" problem inherent in the use of terrestrial communications. VISN supports frame relay, Ethernet, and analog and digital voice inputs. The current version of VISN can support up to 50 nodes on a two megabit TDMA carrier. A future version of the system will be able to support up to 8, two megabit carriers and up to 254 nodes in the network.","PeriodicalId":351392,"journal":{"name":"MILCOM 97 MILCOM 97 Proceedings","volume":"98 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1997-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127673904","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Discrete-event simulation on the Web Web上的离散事件模拟
MILCOM 97 MILCOM 97 Proceedings Pub Date : 1997-11-02 DOI: 10.1109/MILCOM.1997.648699
Chien-Chung Shen
{"title":"Discrete-event simulation on the Web","authors":"Chien-Chung Shen","doi":"10.1109/MILCOM.1997.648699","DOIUrl":"https://doi.org/10.1109/MILCOM.1997.648699","url":null,"abstract":"We describe a mechanism for providing a discrete-event simulation facility on the Web. The mechanism calls for integrating the CORBA and Java technologies - simulation applications (models) written in Java access discrete-event simulation capability through a CORBA interface. The discrete-event simulation facility is specified in CORBA IDL which defines operations for object definition, inter-object communication, and event scheduling. The IDL interface definition may be implemented in Java by using different simulation algorithms, over different operating systems or hardware platforms. Simulation applications, developed as stand-alone Java applications or Java applets running within Web browsers, access the facility via the Internet inter-ORB protocol (IIOP) to obtain runtime support for model execution. The paper presents the discrete-event simulation facility IDL interface, describes its prototype implementation using Java and OrbixWeb, and illustrates its application via a producer-consumer example written in Java.","PeriodicalId":351392,"journal":{"name":"MILCOM 97 MILCOM 97 Proceedings","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1997-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132836564","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
A network management architecture for battlefield networks 面向战场网络的网络管理体系结构
MILCOM 97 MILCOM 97 Proceedings Pub Date : 1997-11-02 DOI: 10.1109/MILCOM.1997.644964
Chien-Chung Shen, D. Hsing, Tsong-Ho Wu, Y. Tsai
{"title":"A network management architecture for battlefield networks","authors":"Chien-Chung Shen, D. Hsing, Tsong-Ho Wu, Y. Tsai","doi":"10.1109/MILCOM.1997.644964","DOIUrl":"https://doi.org/10.1109/MILCOM.1997.644964","url":null,"abstract":"Managing the future digital battlefield networks presents unique challenges: (1) the need to enable seamless, end-to-end network management interoperability across different network management systems that involves multiple network administrative domains, and heterogeneous network technologies, (2) the need to support user, terminal, and network equipment mobility management with large user population and wide geographical area coverage, and (3) the need to facilitate rapid network deployment and fault-tolerant network management. In this paper we describe a CORBA-based network management architecture to address these challenges. In particular, we propose to support network management applications utilizing a distributed object database framework where network information is managed, accessed, and manipulated as a collection of distributed CORBA objects. We will integrate the TMN tiered principle with the manager/agency distributed management paradigm to support management scalability for battlefield networks. An application of the proposed architecture to realize network self-configuration capabilities is also presented.","PeriodicalId":351392,"journal":{"name":"MILCOM 97 MILCOM 97 Proceedings","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1997-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131998867","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 7
A generic channel simulator for wireless channels 用于无线信道的通用信道模拟器
MILCOM 97 MILCOM 97 Proceedings Pub Date : 1997-11-02 DOI: 10.1109/MILCOM.1997.645032
P. A. Bello
{"title":"A generic channel simulator for wireless channels","authors":"P. A. Bello","doi":"10.1109/MILCOM.1997.645032","DOIUrl":"https://doi.org/10.1109/MILCOM.1997.645032","url":null,"abstract":"This paper reviews the wireless channels simulated by the generic channel simulator (GCS) a software package developed for the DoD. The wireless channels considered are: cellular/PCS, VHF/UHF mobile-mobile and mobile-base station, VHF/UHF air-air and air-ground, land mobile satellite, indoor channels, and HF ionospheric. Simulations include distortion (multipath) and additive disturbances. Input parameters and environments for default scenarios are discussed. The background and current status of the GCS are reviewed.","PeriodicalId":351392,"journal":{"name":"MILCOM 97 MILCOM 97 Proceedings","volume":"45 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1997-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134403689","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 8
Threshold synchronization of the adaptive interference reduction scheme in low complexity digital direct-sequence spread-spectrum receivers 低复杂度数字直接序列扩频接收机自适应干扰抑制方案的阈值同步
MILCOM 97 MILCOM 97 Proceedings Pub Date : 1997-11-02 DOI: 10.1109/MILCOM.1997.648671
A. Goiser
{"title":"Threshold synchronization of the adaptive interference reduction scheme in low complexity digital direct-sequence spread-spectrum receivers","authors":"A. Goiser","doi":"10.1109/MILCOM.1997.648671","DOIUrl":"https://doi.org/10.1109/MILCOM.1997.648671","url":null,"abstract":"It is well known that for low complexity digital direct-sequence spread-spectrum receivers in deterministic kinds of interferences an unacceptable loss in signal-to-interference ratio occur. To overcome this, a new interference reduction scheme was presented and analyzed by Goiser (see Proc. IEEE-Milcom'96, 1996) for stationary conditions. This paper focuses on the dynamic of the adaptive interference reduction scheme and presents its suitability for the proposed receiver of Goiser. The paper covers the new synchronization scheme using an opening and closing window-technique to acquire the optimum threshold location. The additional absorbing-function makes these threshold synchronization technique very fast. The mean synchronization time for pulsed combined interference is presented.","PeriodicalId":351392,"journal":{"name":"MILCOM 97 MILCOM 97 Proceedings","volume":"66 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1997-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133083267","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
A heuristic approach to higher order statistical models for the combined process of a direct-sequence signal in additive white Gaussian noise and continuous wave interference after an adaptive 2-bit ADC-nonlinearity 自适应2位adc非线性后加性高斯白噪声和连续波干扰下直接序列信号组合处理的高阶统计模型的启发式方法
MILCOM 97 MILCOM 97 Proceedings Pub Date : 1997-11-02 DOI: 10.1109/MILCOM.1997.646568
A. Goiser
{"title":"A heuristic approach to higher order statistical models for the combined process of a direct-sequence signal in additive white Gaussian noise and continuous wave interference after an adaptive 2-bit ADC-nonlinearity","authors":"A. Goiser","doi":"10.1109/MILCOM.1997.646568","DOIUrl":"https://doi.org/10.1109/MILCOM.1997.646568","url":null,"abstract":"The severe performance degradation of digital direct-sequence spread-spectrum receivers in deterministic types of interference, due to the inherent analog-to-digital converter nonlinearities is well known. In this paper we focus on the models for the combined process of a direct-sequence signal in additive white Gaussian noise and continuous wave interference after an adaptive 2-bit ADC-nonlinearity. The signal's magnitude distribution and zero-crossings are analyzed. Five models are presented and compared to simulations. The figure of merit uses an integral algorithm to compare the different models. The advantages and disadvantages of each model are presented. The general advantage of all the models are that less computation resources are needed.","PeriodicalId":351392,"journal":{"name":"MILCOM 97 MILCOM 97 Proceedings","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1997-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115793967","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
A forward error control scheme for GBS and BADD GBS和BADD的前向错误控制方案
MILCOM 97 MILCOM 97 Proceedings Pub Date : 1997-11-02 DOI: 10.1109/MILCOM.1997.646712
Brett Schein, S. Bernstein
{"title":"A forward error control scheme for GBS and BADD","authors":"Brett Schein, S. Bernstein","doi":"10.1109/MILCOM.1997.646712","DOIUrl":"https://doi.org/10.1109/MILCOM.1997.646712","url":null,"abstract":"This paper describes a forward error control scheme designed for use with BADD (Battlefield Awareness and Data Dissemination) and GBS (Global Broadcast Service). The error events encountered will consist primarily of dropped data packets resulting in erased data rather than errors. The scheme is designed to recover large amounts of lost data (of the order of several megabytes) using low coding overhead (of the order of 10%) and is thus applicable for large messages only. The scheme is designed for implementation at the application level, so the minimisation of the computational complexity is the primary design constraint. The scheme is based on multidimensional Reed-Solomon product codes and uses a sub-optimal but computationally feasible decoding procedure.","PeriodicalId":351392,"journal":{"name":"MILCOM 97 MILCOM 97 Proceedings","volume":"449 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1997-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132383560","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
The general power variance method for direction finding 一般的功率方差测向法
MILCOM 97 MILCOM 97 Proceedings Pub Date : 1997-11-02 DOI: 10.1109/MILCOM.1997.648674
J. Bond, S. Hui
{"title":"The general power variance method for direction finding","authors":"J. Bond, S. Hui","doi":"10.1109/MILCOM.1997.648674","DOIUrl":"https://doi.org/10.1109/MILCOM.1997.648674","url":null,"abstract":"We propose and analyze a method of estimating the angle of arrival of the dominant component of a signal. Our approach is based on solving a class of optimization problems involving the moments of the directional power variance. This method contains as a special case of the power variance method. Simulations are used to illustrate our approach. Generalizations of the method are also discussed.","PeriodicalId":351392,"journal":{"name":"MILCOM 97 MILCOM 97 Proceedings","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1997-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134316594","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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